java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 09:19:33,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 09:19:33,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 09:19:33,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-07 09:19:33,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-07 09:19:33,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-07 09:19:33,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-07 09:19:33,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-07 09:19:33,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-07 09:19:33,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-07 09:19:33,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-07 09:19:33,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-07 09:19:33,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 09:19:33,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 09:19:33,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 09:19:33,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 09:19:33,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 09:19:33,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 09:19:33,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 09:19:33,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 09:19:33,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 09:19:33,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 09:19:33,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 09:19:33,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 09:19:33,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 09:19:33,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-07 09:19:33,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-07 09:19:33,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-07 09:19:33,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-07 09:19:33,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-07 09:19:33,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-07 09:19:33,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-07 09:19:33,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-07 09:19:33,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 09:19:33,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 09:19:33,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 09:19:33,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-07 09:19:33,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 09:19:33,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 09:19:33,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 09:19:33,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 09:19:33,856 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 09:19:33,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 09:19:33,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 09:19:33,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 09:19:33,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 09:19:33,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 09:19:33,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 09:19:33,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 09:19:33,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 09:19:33,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 09:19:33,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 09:19:33,858 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 09:19:33,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 09:19:33,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 09:19:33,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 09:19:33,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 09:19:33,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 09:19:33,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 09:19:33,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 09:19:33,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 09:19:33,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 09:19:33,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 09:19:33,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 09:19:33,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 09:19:33,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 09:19:33,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 09:19:33,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 09:19:33,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 09:19:33,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 09:19:33,908 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 09:19:33,909 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2019-09-07 09:19:33,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece1ff199/cae3d4ca3162499a8fc8304e0549b4e7/FLAG463bd5d01 [2019-09-07 09:19:34,489 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 09:19:34,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2019-09-07 09:19:34,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece1ff199/cae3d4ca3162499a8fc8304e0549b4e7/FLAG463bd5d01 [2019-09-07 09:19:34,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece1ff199/cae3d4ca3162499a8fc8304e0549b4e7 [2019-09-07 09:19:34,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 09:19:34,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 09:19:34,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 09:19:34,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 09:19:34,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 09:19:34,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:19:34" (1/1) ... [2019-09-07 09:19:34,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c95eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:34, skipping insertion in model container [2019-09-07 09:19:34,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:19:34" (1/1) ... [2019-09-07 09:19:34,835 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 09:19:34,851 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 09:19:35,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 09:19:35,131 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 09:19:35,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 09:19:35,206 INFO L192 MainTranslator]: Completed translation [2019-09-07 09:19:35,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:35 WrapperNode [2019-09-07 09:19:35,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 09:19:35,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 09:19:35,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 09:19:35,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 09:19:35,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:35" (1/1) ... [2019-09-07 09:19:35,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:35" (1/1) ... [2019-09-07 09:19:35,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:35" (1/1) ... [2019-09-07 09:19:35,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:35" (1/1) ... [2019-09-07 09:19:35,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:35" (1/1) ... [2019-09-07 09:19:35,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:35" (1/1) ... [2019-09-07 09:19:35,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:35" (1/1) ... [2019-09-07 09:19:35,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 09:19:35,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 09:19:35,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 09:19:35,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 09:19:35,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 09:19:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 09:19:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 09:19:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-07 09:19:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printEven [2019-09-07 09:19:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printOdd [2019-09-07 09:19:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 09:19:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 09:19:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 09:19:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-07 09:19:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure printEven [2019-09-07 09:19:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure printOdd [2019-09-07 09:19:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 09:19:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-07 09:19:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-07 09:19:35,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-07 09:19:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-07 09:19:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 09:19:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 09:19:35,813 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 09:19:35,813 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-07 09:19:35,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:19:35 BoogieIcfgContainer [2019-09-07 09:19:35,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 09:19:35,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 09:19:35,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 09:19:35,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 09:19:35,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:19:34" (1/3) ... [2019-09-07 09:19:35,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9440b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:19:35, skipping insertion in model container [2019-09-07 09:19:35,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:19:35" (2/3) ... [2019-09-07 09:19:35,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9440b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:19:35, skipping insertion in model container [2019-09-07 09:19:35,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:19:35" (3/3) ... [2019-09-07 09:19:35,823 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_24-1.i [2019-09-07 09:19:35,833 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 09:19:35,841 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 09:19:35,858 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 09:19:35,888 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 09:19:35,889 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 09:19:35,889 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 09:19:35,889 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 09:19:35,889 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 09:19:35,889 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 09:19:35,890 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 09:19:35,890 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 09:19:35,890 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 09:19:35,907 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-09-07 09:19:35,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-07 09:19:35,913 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 09:19:35,914 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 09:19:35,916 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 09:19:35,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 09:19:35,922 INFO L82 PathProgramCache]: Analyzing trace with hash -762079996, now seen corresponding path program 1 times [2019-09-07 09:19:35,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 09:19:35,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 09:19:35,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 09:19:35,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 09:19:35,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 09:19:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 09:19:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 09:19:36,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 09:19:36,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-07 09:19:36,163 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-07 09:19:36,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-07 09:19:36,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-07 09:19:36,179 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 5 states. [2019-09-07 09:19:36,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 09:19:36,305 INFO L93 Difference]: Finished difference Result 89 states and 125 transitions. [2019-09-07 09:19:36,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 09:19:36,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-09-07 09:19:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 09:19:36,317 INFO L225 Difference]: With dead ends: 89 [2019-09-07 09:19:36,317 INFO L226 Difference]: Without dead ends: 46 [2019-09-07 09:19:36,321 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-07 09:19:36,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-09-07 09:19:36,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36. [2019-09-07 09:19:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-09-07 09:19:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2019-09-07 09:19:36,376 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 16 [2019-09-07 09:19:36,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 09:19:36,377 INFO L475 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2019-09-07 09:19:36,377 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-07 09:19:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2019-09-07 09:19:36,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-07 09:19:36,378 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 09:19:36,379 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 09:19:36,379 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 09:19:36,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 09:19:36,380 INFO L82 PathProgramCache]: Analyzing trace with hash 204295910, now seen corresponding path program 1 times [2019-09-07 09:19:36,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 09:19:36,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 09:19:36,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 09:19:36,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 09:19:36,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 09:19:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 09:19:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-07 09:19:36,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 09:19:36,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-07 09:19:36,580 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-07 09:19:36,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-07 09:19:36,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-07 09:19:36,581 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand 8 states. [2019-09-07 09:19:36,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 09:19:36,716 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2019-09-07 09:19:36,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-07 09:19:36,717 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-09-07 09:19:36,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 09:19:36,718 INFO L225 Difference]: With dead ends: 42 [2019-09-07 09:19:36,718 INFO L226 Difference]: Without dead ends: 40 [2019-09-07 09:19:36,720 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-07 09:19:36,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-09-07 09:19:36,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-09-07 09:19:36,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-09-07 09:19:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2019-09-07 09:19:36,728 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 18 [2019-09-07 09:19:36,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 09:19:36,728 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2019-09-07 09:19:36,728 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-07 09:19:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2019-09-07 09:19:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-09-07 09:19:36,730 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 09:19:36,730 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 09:19:36,730 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 09:19:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 09:19:36,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1004823058, now seen corresponding path program 1 times [2019-09-07 09:19:36,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 09:19:36,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 09:19:36,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 09:19:36,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 09:19:36,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 09:19:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 09:19:36,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-07 09:19:36,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 09:19:36,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-07 09:19:36,983 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-07 09:19:36,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-07 09:19:36,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-07 09:19:36,984 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 8 states. [2019-09-07 09:19:37,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 09:19:37,152 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2019-09-07 09:19:37,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-07 09:19:37,153 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-09-07 09:19:37,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 09:19:37,154 INFO L225 Difference]: With dead ends: 40 [2019-09-07 09:19:37,155 INFO L226 Difference]: Without dead ends: 0 [2019-09-07 09:19:37,156 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-07 09:19:37,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-07 09:19:37,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-07 09:19:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-07 09:19:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-07 09:19:37,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-09-07 09:19:37,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 09:19:37,157 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-07 09:19:37,157 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-07 09:19:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-07 09:19:37,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-07 09:19:37,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-07 09:19:37,255 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-07 09:19:37,256 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-07 09:19:37,256 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-07 09:19:37,256 INFO L446 ceAbstractionStarter]: At program point printOddENTRY(lines 7 9) the Hoare annotation is: true [2019-09-07 09:19:37,256 INFO L439 ceAbstractionStarter]: At program point L8(line 8) the Hoare annotation is: (or (not (= printOdd_~i (* 2 (div printOdd_~i 2)))) (not (let ((.cse0 (+ |printOdd_#in~i| 1))) (<= .cse0 (* 2 (div .cse0 2)))))) [2019-09-07 09:19:37,256 INFO L443 ceAbstractionStarter]: For program point printOddFINAL(lines 7 9) no Hoare annotation was computed. [2019-09-07 09:19:37,257 INFO L443 ceAbstractionStarter]: For program point printOddEXIT(lines 7 9) no Hoare annotation was computed. [2019-09-07 09:19:37,257 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-07 09:19:37,257 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-07 09:19:37,257 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-07 09:19:37,257 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-07 09:19:37,257 INFO L443 ceAbstractionStarter]: For program point printEvenEXIT(lines 4 6) no Hoare annotation was computed. [2019-09-07 09:19:37,257 INFO L446 ceAbstractionStarter]: At program point printEvenENTRY(lines 4 6) the Hoare annotation is: true [2019-09-07 09:19:37,258 INFO L443 ceAbstractionStarter]: For program point printEvenFINAL(lines 4 6) no Hoare annotation was computed. [2019-09-07 09:19:37,258 INFO L439 ceAbstractionStarter]: At program point L5(line 5) the Hoare annotation is: (or (not (<= |printEven_#in~i| (* 2 (div |printEven_#in~i| 2)))) (<= printEven_~i (* 2 (div printEven_~i 2)))) [2019-09-07 09:19:37,258 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 36) no Hoare annotation was computed. [2019-09-07 09:19:37,258 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 26) no Hoare annotation was computed. [2019-09-07 09:19:37,258 INFO L439 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (let ((.cse0 (+ |main_#t~mem8| 1))) (<= .cse0 (* 2 (div .cse0 2)))) [2019-09-07 09:19:37,259 INFO L443 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2019-09-07 09:19:37,259 INFO L443 ceAbstractionStarter]: For program point L28-2(lines 28 34) no Hoare annotation was computed. [2019-09-07 09:19:37,259 INFO L446 ceAbstractionStarter]: At program point L28-3(lines 28 34) the Hoare annotation is: true [2019-09-07 09:19:37,259 INFO L443 ceAbstractionStarter]: For program point L28-4(lines 28 34) no Hoare annotation was computed. [2019-09-07 09:19:37,259 INFO L443 ceAbstractionStarter]: For program point L16-2(lines 16 19) no Hoare annotation was computed. [2019-09-07 09:19:37,259 INFO L446 ceAbstractionStarter]: At program point L16-3(lines 16 19) the Hoare annotation is: true [2019-09-07 09:19:37,260 INFO L443 ceAbstractionStarter]: For program point L16-4(lines 16 19) no Hoare annotation was computed. [2019-09-07 09:19:37,260 INFO L439 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: (<= |main_#t~mem5| (* 2 (div |main_#t~mem5| 2))) [2019-09-07 09:19:37,260 INFO L443 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2019-09-07 09:19:37,260 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 21 27) no Hoare annotation was computed. [2019-09-07 09:19:37,260 INFO L446 ceAbstractionStarter]: At program point L21-3(lines 21 27) the Hoare annotation is: true [2019-09-07 09:19:37,260 INFO L443 ceAbstractionStarter]: For program point L21-4(lines 21 27) no Hoare annotation was computed. [2019-09-07 09:19:37,260 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 10 36) no Hoare annotation was computed. [2019-09-07 09:19:37,261 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 33) no Hoare annotation was computed. [2019-09-07 09:19:37,261 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 10 36) the Hoare annotation is: true [2019-09-07 09:19:37,261 INFO L443 ceAbstractionStarter]: For program point L3-3(line 3) no Hoare annotation was computed. [2019-09-07 09:19:37,261 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 3) the Hoare annotation is: true [2019-09-07 09:19:37,261 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 3) no Hoare annotation was computed. [2019-09-07 09:19:37,261 INFO L443 ceAbstractionStarter]: For program point L3(line 3) no Hoare annotation was computed. [2019-09-07 09:19:37,262 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2019-09-07 09:19:37,262 INFO L443 ceAbstractionStarter]: For program point L3-1(line 3) no Hoare annotation was computed. [2019-09-07 09:19:37,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:19:37 BoogieIcfgContainer [2019-09-07 09:19:37,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 09:19:37,273 INFO L168 Benchmark]: Toolchain (without parser) took 2453.94 ms. Allocated memory was 140.0 MB in the beginning and 227.0 MB in the end (delta: 87.0 MB). Free memory was 87.9 MB in the beginning and 185.8 MB in the end (delta: -97.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-07 09:19:37,274 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-07 09:19:37,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.02 ms. Allocated memory is still 140.0 MB. Free memory was 87.7 MB in the beginning and 77.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-07 09:19:37,277 INFO L168 Benchmark]: Boogie Preprocessor took 213.45 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 77.4 MB in the beginning and 179.7 MB in the end (delta: -102.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-07 09:19:37,278 INFO L168 Benchmark]: RCFGBuilder took 392.53 ms. Allocated memory is still 202.9 MB. Free memory was 179.7 MB in the beginning and 163.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-07 09:19:37,279 INFO L168 Benchmark]: TraceAbstraction took 1454.71 ms. Allocated memory was 202.9 MB in the beginning and 227.0 MB in the end (delta: 24.1 MB). Free memory was 163.4 MB in the beginning and 185.8 MB in the end (delta: -22.3 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-07 09:19:37,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 388.02 ms. Allocated memory is still 140.0 MB. Free memory was 87.7 MB in the beginning and 77.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 213.45 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 77.4 MB in the beginning and 179.7 MB in the end (delta: -102.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 392.53 ms. Allocated memory is still 202.9 MB. Free memory was 179.7 MB in the beginning and 163.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1454.71 ms. Allocated memory was 202.9 MB in the beginning and 227.0 MB in the end (delta: 24.1 MB). Free memory was 163.4 MB in the beginning and 185.8 MB in the end (delta: -22.3 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 39 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 SDtfs, 42 SDslu, 411 SDs, 0 SdLazy, 143 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 21 PreInvPairs, 29 NumberOfFragments, 65 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 2848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...